static void Main(string[] args)
{// Build a collection
Collection collection = new Collection();
collection[0] = new Item("Item 0");
collection[1] = new Item("Item 1");
collection[2] = new Item("Item 2");
collection[3] = new Item("Item 3");
collection[4] = new Item("Item 4");
collection[5] = new Item("Item 5");
collection[6] = new Item("Item 6");
collection[7] = new Item("Item 7");
collection[8] = new Item("Item 8");
// Create iterator
Iterator iterator = collection.CreateIterator();
// Skip every other item
iterator.Step = 2;
Console.WriteLine("Iterating over collection:");
for (Item item = iterator.First();
!iterator.IsDone; item = iterator.Next())
{
Console.WriteLine(item.Name);
}
Console.WriteLine("Press any key to exit...");
Console.Read();
}
static void Main(string[] args)
{
Aggregate aggregate = new ConcreteAggregate();
aggregate[0] = "Zero";
aggregate[1] = "One";
aggregate[2] = "Two";
Iterator iterator = aggregate.CreateIterator();
for (object i = iterator.First(); !iterator.IsDone(); i = iterator.Next())
{
Console.WriteLine(i);
}
}
public void Start()
{
ConcreteAggregate aggr = new ConcreteAggregate();
aggr[0] = "Hello ";
aggr[1] = "Iterator ";
aggr[2] = "Design ";
aggr[3] = "Pattern";
// Create Iterator and provide aggregate
Iterator i = aggr.CreateIterator();
object item = i.First();
while (item != null)
{
Console.Write(item);
item = i.Next();
}
Console.WriteLine();
}